Shear blade



FIG. 1 is a top, left, front perspective view of a shear blade showing my new design;

FIG. 2 is a top, right, rear perspective view of the shear blade shown in FIG. 1;

FIG. 3 is a front elevational view of the shear blade shown in FIG. 1;

FIG. 4 is rear elevational view of the shear blade shown in FIG. 1;

FIG. 5 is a left side elevational view of the shear blade shown in FIG. 1;

FIG. 6 is a right side elevational view of the shear blade shown in FIG. 1;

FIG. 7 is a top plan view of the shear blade shown in FIG. 1; and,

FIG. 8 is a bottom plan of the shear blade shown in FIG. 1. 

CLAIM The ornamental design for a shear blade, as shown and described. 